[linux-block.git] / sound / isa / cs423x / cs4231.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 *  Generic driver for CS4231 chips
 *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
 *  Originally the CS4232/CS4232A driver, modified for use on CS4231 by
 *  Tugrul Galatali <galatalt@stuy.edu>
 */

#include <linux/init.h>
#include <linux/err.h>
#include <linux/isa.h>
#include <linux/time.h>
#include <linux/wait.h>
#include <linux/module.h>
#include <sound/core.h>
#include <sound/wss.h>
#include <sound/mpu401.h>
#include <sound/initval.h>

#define CRD_NAME "Generic CS4231"
#define DEV_NAME "cs4231"

MODULE_DESCRIPTION(CRD_NAME);
MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
MODULE_LICENSE("GPL");
MODULE_SUPPORTED_DEVICE("{{Crystal Semiconductors,CS4231}}");

static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	/* ID for this card */
static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE;	/* Enable this card */
static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;	/* PnP setup */
static long mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;	/* PnP setup */
static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;	/* 5,7,9,11,12,15 */
static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;	/* 9,11,12,15 */
static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;	/* 0,1,3,5,6,7 */
static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;	/* 0,1,3,5,6,7 */

module_param_array(index, int, NULL, 0444);
MODULE_PARM_DESC(index, "Index value for " CRD_NAME " soundcard.");
module_param_array(id, charp, NULL, 0444);
MODULE_PARM_DESC(id, "ID string for " CRD_NAME " soundcard.");
module_param_array(enable, bool, NULL, 0444);
MODULE_PARM_DESC(enable, "Enable " CRD_NAME " soundcard.");
module_param_hw_array(port, long, ioport, NULL, 0444);
MODULE_PARM_DESC(port, "Port # for " CRD_NAME " driver.");
module_param_hw_array(mpu_port, long, ioport, NULL, 0444);
MODULE_PARM_DESC(mpu_port, "MPU-401 port # for " CRD_NAME " driver.");
module_param_hw_array(irq, int, irq, NULL, 0444);
MODULE_PARM_DESC(irq, "IRQ # for " CRD_NAME " driver.");
module_param_hw_array(mpu_irq, int, irq, NULL, 0444);
MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for " CRD_NAME " driver.");
module_param_hw_array(dma1, int, dma, NULL, 0444);
MODULE_PARM_DESC(dma1, "DMA1 # for " CRD_NAME " driver.");
module_param_hw_array(dma2, int, dma, NULL, 0444);
MODULE_PARM_DESC(dma2, "DMA2 # for " CRD_NAME " driver.");

static int snd_cs4231_match(struct device *dev, unsigned int n)
{
	if (!enable[n])
		return 0;

	if (port[n] == SNDRV_AUTO_PORT) {
		dev_err(dev, "please specify port\n");
		return 0;
	}
	if (irq[n] == SNDRV_AUTO_IRQ) {
		dev_err(dev, "please specify irq\n");
		return 0;
	}
	if (dma1[n] == SNDRV_AUTO_DMA) {
		dev_err(dev, "please specify dma1\n");
		return 0;
	}
	return 1;
}

static int snd_cs4231_probe(struct device *dev, unsigned int n)
{
	struct snd_card *card;
	struct snd_wss *chip;
	int error;

	error = snd_card_new(dev, index[n], id[n], THIS_MODULE, 0, &card);
	if (error < 0)
		return error;

	error = snd_wss_create(card, port[n], -1, irq[n], dma1[n], dma2[n],
			WSS_HW_DETECT, 0, &chip);
	if (error < 0)
		goto out;

	card->private_data = chip;

	error = snd_wss_pcm(chip, 0);
	if (error < 0)
		goto out;

	strlcpy(card->driver, "CS4231", sizeof(card->driver));
	strlcpy(card->shortname, chip->pcm->name, sizeof(card->shortname));

	if (dma2[n] < 0)
		snprintf(card->longname, sizeof(card->longname),
			 "%s at 0x%lx, irq %d, dma %d",
			 chip->pcm->name, chip->port, irq[n], dma1[n]);
	else
		snprintf(card->longname, sizeof(card->longname),
			 "%s at 0x%lx, irq %d, dma %d&%d",
			 chip->pcm->name, chip->port, irq[n], dma1[n], dma2[n]);

	error = snd_wss_mixer(chip);
	if (error < 0)
		goto out;

	error = snd_wss_timer(chip, 0);
	if (error < 0)
		goto out;

	if (mpu_port[n] > 0 && mpu_port[n] != SNDRV_AUTO_PORT) {
		if (mpu_irq[n] == SNDRV_AUTO_IRQ)
			mpu_irq[n] = -1;
		if (snd_mpu401_uart_new(card, 0, MPU401_HW_CS4232,
					mpu_port[n], 0, mpu_irq[n],
					NULL) < 0)
			dev_warn(dev, "MPU401 not detected\n");
	}

	error = snd_card_register(card);
	if (error < 0)
		goto out;

	dev_set_drvdata(dev, card);
	return 0;

out:	snd_card_free(card);
	return error;
}

static int snd_cs4231_remove(struct device *dev, unsigned int n)
{
	snd_card_free(dev_get_drvdata(dev));
	return 0;
}

#ifdef CONFIG_PM
static int snd_cs4231_suspend(struct device *dev, unsigned int n, pm_message_t state)
{
	struct snd_card *card = dev_get_drvdata(dev);
	struct snd_wss *chip = card->private_data;

	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
	chip->suspend(chip);
	return 0;
}

static int snd_cs4231_resume(struct device *dev, unsigned int n)
{
	struct snd_card *card = dev_get_drvdata(dev);
	struct snd_wss *chip = card->private_data;

	chip->resume(chip);
	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
	return 0;
}
#endif

static struct isa_driver snd_cs4231_driver = {
	.match		= snd_cs4231_match,
	.probe		= snd_cs4231_probe,
	.remove		= snd_cs4231_remove,
#ifdef CONFIG_PM
	.suspend	= snd_cs4231_suspend,
	.resume		= snd_cs4231_resume,
#endif
	.driver		= {
		.name	= DEV_NAME
	}
};

module_isa_driver(snd_cs4231_driver, SNDRV_CARDS);
Commit	Line	Data
1a59d1b8	1	// SPDX-License-Identifier: GPL-2.0-or-later
1da177e4 LT	2	/*
1da177e4 LT	3	* Generic driver for CS4231 chips
c1017a4c	4	* Copyright (c) by Jaroslav Kysela <perex@perex.cz>
1da177e4 LT	5	* Originally the CS4232/CS4232A driver, modified for use on CS4231 by
1da177e4 LT	6	* Tugrul Galatali <galatalt@stuy.edu>
1da177e4 LT	7	*/
1da177e4 LT	8
1da177e4	9	#include <linux/init.h>
8b913757	10	#include <linux/err.h>
d63898c9	11	#include <linux/isa.h>
1da177e4 LT	12	#include <linux/time.h>
1da177e4 LT	13	#include <linux/wait.h>
65a77217	14	#include <linux/module.h>
1da177e4	15	#include <sound/core.h>
61ef19d7	16	#include <sound/wss.h>
1da177e4 LT	17	#include <sound/mpu401.h>
	18	#include <sound/initval.h>
	19
d63898c9 RH	20	#define CRD_NAME "Generic CS4231"
	21	#define DEV_NAME "cs4231"
	22
	23	MODULE_DESCRIPTION(CRD_NAME);
c1017a4c	24	MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
1da177e4 LT	25	MODULE_LICENSE("GPL");
	26	MODULE_SUPPORTED_DEVICE("{{Crystal Semiconductors,CS4231}}");
	27
	28	static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
	29	static char id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; / ID for this card */
a67ff6a5	30	static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
1da177e4 LT	31	static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */
	32	static long mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */
	33	static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,11,12,15 */
	34	static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 9,11,12,15 */
	35	static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0,1,3,5,6,7 */
	36	static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0,1,3,5,6,7 */
	37
	38	module_param_array(index, int, NULL, 0444);
d63898c9	39	MODULE_PARM_DESC(index, "Index value for " CRD_NAME " soundcard.");
1da177e4	40	module_param_array(id, charp, NULL, 0444);
d63898c9	41	MODULE_PARM_DESC(id, "ID string for " CRD_NAME " soundcard.");
1da177e4	42	module_param_array(enable, bool, NULL, 0444);
d63898c9	43	MODULE_PARM_DESC(enable, "Enable " CRD_NAME " soundcard.");
e992ef57	44	module_param_hw_array(port, long, ioport, NULL, 0444);
d63898c9	45	MODULE_PARM_DESC(port, "Port # for " CRD_NAME " driver.");
e992ef57	46	module_param_hw_array(mpu_port, long, ioport, NULL, 0444);
d63898c9	47	MODULE_PARM_DESC(mpu_port, "MPU-401 port # for " CRD_NAME " driver.");
e992ef57	48	module_param_hw_array(irq, int, irq, NULL, 0444);
d63898c9	49	MODULE_PARM_DESC(irq, "IRQ # for " CRD_NAME " driver.");
e992ef57	50	module_param_hw_array(mpu_irq, int, irq, NULL, 0444);
d63898c9	51	MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for " CRD_NAME " driver.");
e992ef57	52	module_param_hw_array(dma1, int, dma, NULL, 0444);
d63898c9	53	MODULE_PARM_DESC(dma1, "DMA1 # for " CRD_NAME " driver.");
e992ef57	54	module_param_hw_array(dma2, int, dma, NULL, 0444);
d63898c9	55	MODULE_PARM_DESC(dma2, "DMA2 # for " CRD_NAME " driver.");
1da177e4	56
1bff292e	57	static int snd_cs4231_match(struct device *dev, unsigned int n)
d63898c9 RH	58	{
	59	if (!enable[n])
	60	return 0;
f7a9275d	61
d63898c9	62	if (port[n] == SNDRV_AUTO_PORT) {
0418ff0c	63	dev_err(dev, "please specify port\n");
d63898c9 RH	64	return 0;
	65	}
	66	if (irq[n] == SNDRV_AUTO_IRQ) {
0418ff0c	67	dev_err(dev, "please specify irq\n");
d63898c9 RH	68	return 0;
	69	}
	70	if (dma1[n] == SNDRV_AUTO_DMA) {
0418ff0c	71	dev_err(dev, "please specify dma1\n");
d63898c9 RH	72	return 0;
	73	}
	74	return 1;
	75	}
1da177e4	76
1bff292e	77	static int snd_cs4231_probe(struct device *dev, unsigned int n)
1da177e4	78	{
ba2375a4	79	struct snd_card *card;
7779f75f	80	struct snd_wss *chip;
d63898c9	81	int error;
1da177e4	82
4323cc4d	83	error = snd_card_new(dev, index[n], id[n], THIS_MODULE, 0, &card);
c95eadd2 TI	84	if (error < 0)
c95eadd2 TI	85	return error;
d63898c9	86
7779f75f KH	87	error = snd_wss_create(card, port[n], -1, irq[n], dma1[n], dma2[n],
7779f75f KH	88	WSS_HW_DETECT, 0, &chip);
d63898c9 RH	89	if (error < 0)
	90	goto out;
	91
8b913757	92	card->private_data = chip;
1da177e4	93
fa60c065	94	error = snd_wss_pcm(chip, 0);
d63898c9 RH	95	if (error < 0)
d63898c9 RH	96	goto out;
1da177e4	97
6d8b04de AB	98	strlcpy(card->driver, "CS4231", sizeof(card->driver));
	99	strlcpy(card->shortname, chip->pcm->name, sizeof(card->shortname));
	100
	101	if (dma2[n] < 0)
	102	snprintf(card->longname, sizeof(card->longname),
	103	"%s at 0x%lx, irq %d, dma %d",
	104	chip->pcm->name, chip->port, irq[n], dma1[n]);
	105	else
	106	snprintf(card->longname, sizeof(card->longname),
	107	"%s at 0x%lx, irq %d, dma %d&%d",
	108	chip->pcm->name, chip->port, irq[n], dma1[n], dma2[n]);
d63898c9	109
7779f75f	110	error = snd_wss_mixer(chip);
d63898c9 RH	111	if (error < 0)
	112	goto out;
	113
fa60c065	114	error = snd_wss_timer(chip, 0);
d63898c9 RH	115	if (error < 0)
	116	goto out;
	117
	118	if (mpu_port[n] > 0 && mpu_port[n] != SNDRV_AUTO_PORT) {
	119	if (mpu_irq[n] == SNDRV_AUTO_IRQ)
	120	mpu_irq[n] = -1;
1da177e4	121	if (snd_mpu401_uart_new(card, 0, MPU401_HW_CS4232,
d63898c9	122	mpu_port[n], 0, mpu_irq[n],
1da177e4	123	NULL) < 0)
0418ff0c	124	dev_warn(dev, "MPU401 not detected\n");
1da177e4	125	}
43bcd973	126
d63898c9 RH	127	error = snd_card_register(card);
	128	if (error < 0)
	129	goto out;
8b913757	130
d63898c9	131	dev_set_drvdata(dev, card);
1da177e4	132	return 0;
43bcd973	133
d63898c9 RH	134	out: snd_card_free(card);
d63898c9 RH	135	return error;
1da177e4 LT	136	}
1da177e4 LT	137
1bff292e	138	static int snd_cs4231_remove(struct device *dev, unsigned int n)
8b913757	139	{
d63898c9	140	snd_card_free(dev_get_drvdata(dev));
8b913757 TI	141	return 0;
	142	}
	143
	144	#ifdef CONFIG_PM
d63898c9	145	static int snd_cs4231_suspend(struct device *dev, unsigned int n, pm_message_t state)
1da177e4	146	{
d63898c9	147	struct snd_card *card = dev_get_drvdata(dev);
7779f75f	148	struct snd_wss *chip = card->private_data;
d63898c9	149
8b913757	150	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
8b913757 TI	151	chip->suspend(chip);
	152	return 0;
	153	}
1da177e4	154
d63898c9	155	static int snd_cs4231_resume(struct device *dev, unsigned int n)
8b913757	156	{
d63898c9	157	struct snd_card *card = dev_get_drvdata(dev);
7779f75f	158	struct snd_wss *chip = card->private_data;
d63898c9	159
8b913757 TI	160	chip->resume(chip);
	161	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
	162	return 0;
	163	}
	164	#endif
	165
d63898c9 RH	166	static struct isa_driver snd_cs4231_driver = {
d63898c9 RH	167	.match = snd_cs4231_match,
8b913757	168	.probe = snd_cs4231_probe,
1bff292e	169	.remove = snd_cs4231_remove,
8b913757 TI	170	#ifdef CONFIG_PM
	171	.suspend = snd_cs4231_suspend,
	172	.resume = snd_cs4231_resume,
	173	#endif
	174	.driver = {
d63898c9 RH	175	.name = DEV_NAME
d63898c9 RH	176	}
8b913757 TI	177	};
8b913757 TI	178
ec5c0896	179	module_isa_driver(snd_cs4231_driver, SNDRV_CARDS);